[root@centrex2 ~]# cat /var/log/asterisk/messages | grep 13070
[Jun  8 15:34:15] VERBOSE[13070] pbx.c: [Jun  8 15:34:15]     -- Executing [154@centrex:1] AGI("SIP/157.oceanet-00018d8c", "dialplan/outgoing_call.agi") in new stack
[Jun  8 15:34:15] VERBOSE[13070] res_agi.c: [Jun  8 15:34:15]     -- Launched AGI Script /var/lib/asterisk/agi-bin/dialplan/outgoing_call.agi
[Jun  8 15:34:15] VERBOSE[13070] res_agi.c: [Jun  8 15:34:15]     -- AGI Script Executing Application: (Dial) Options: (SIP/154.oceanet)
[Jun  8 15:34:15] VERBOSE[13070] netsock2.c: [Jun  8 15:34:15]   == Using SIP RTP TOS bits 184
[Jun  8 15:34:15] VERBOSE[13070] netsock2.c: [Jun  8 15:34:15]   == Using SIP RTP CoS mark 5
[Jun  8 15:34:15] VERBOSE[13070] app_dial.c: [Jun  8 15:34:15]     -- Called SIP/154.oceanet
[Jun  8 15:34:16] VERBOSE[13070] app_dial.c: [Jun  8 15:34:16]     -- SIP/154.oceanet-00018d8d is ringing
[Jun  8 15:34:16] VERBOSE[13070] app_dial.c: [Jun  8 15:34:16]     -- SIP/154.oceanet-00018d8d is ringing
[Jun  8 15:34:17] VERBOSE[13070] app_dial.c: [Jun  8 15:34:17]     -- SIP/154.oceanet-00018d8d answered SIP/157.oceanet-00018d8c
[Jun  8 15:34:17] VERBOSE[13070] rtp_engine.c: [Jun  8 15:34:17]     -- Locally bridging SIP/157.oceanet-00018d8c and SIP/154.oceanet-00018d8d
################## FIRST HOLD
[Jun  8 15:34:18] VERBOSE[13070] res_musiconhold.c: [Jun  8 15:34:18]     -- Started music on hold, class 'oceanet', on SIP/157.oceanet-00018d8c
[Jun  8 15:34:20] VERBOSE[13070] res_musiconhold.c: [Jun  8 15:34:20]     -- Stopped music on hold on SIP/157.oceanet-00018d8c
################## SECOND HOLD
[Jun  8 15:34:21] VERBOSE[13070] res_musiconhold.c: [Jun  8 15:34:21]     -- Started music on hold, class 'oceanet', on SIP/157.oceanet-00018d8c
[Jun  8 15:34:21] VERBOSE[13070] rtp_engine.c: [Jun  8 15:34:21]     -- Locally bridging SIP/157.oceanet-00018d8c and SIP/154.oceanet-00018d8d
[Jun  8 15:34:31] VERBOSE[13070] res_musiconhold.c: [Jun  8 15:34:31]     -- Stopped music on hold on SIP/157.oceanet-00018d8c
[Jun  8 15:34:31] VERBOSE[13070] res_agi.c: [Jun  8 15:34:31]     -- <SIP/157.oceanet-00018d8c>AGI Script dialplan/outgoing_call.agi completed, returning 4
[Jun  8 15:34:31] VERBOSE[13070] pbx.c: [Jun  8 15:34:31]   == Spawn extension (centrex, 154, 1) exited non-zero on 'SIP/157.oceanet-00018d8c'